ALL BALL NERVE CENTER — We recently saw Steph Curry drain a halfcourt shot while sitting down, which seems like a really hard thing to do. Perhaps Curry’s shot served as an inspiration for the hip=hop artist (and Raptors ambassador) Drake. While at Philips Arena in Atlanta on his current world tour, Drake somehow ended up on the Hawks practice court, and like Curry, he swished the seated halfcourt heave…